showAlertwithcutomview

 private void showAlertwithcutomview(String passed_msg) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        LayoutInflater inflater = this.getLayoutInflater();

        final View dialogview = inflater.inflate(R.layout.alertdialog_error, null);
        builder.setView(dialogview);

        TextView msg = (TextView) dialogview.findViewById(R.id.message);
        if (passed_msg != null) {
            msg.setText(passed_msg);
        }

        Button back = (Button) findViewById(R.id.back_button);
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });
        finish();
        AlertDialog alertDialog = builder.create();
        alertDialog.show();

    }